Please suggest me a Romantic Kdrama with a happy ending.

My personal favorites:

Boys Over Flowers

Weightlifting Fairy Kim Bokjoo

Because This is My First Life (more mature than the first two)

Suspicious Partner

Healer

I'm Not A Robot

A Poem A Day

Lawless Lawyer

Strong Woman Do Bong Soon

Devilish Joy

What's Wrong with Secretary Kim

The Masked Lover - not kdrama, but very romantic & has a nice, happy ending!

The heir

Healer

Fight for my way

Personal taste

strong woman do bong soon

It's Ok, that's love

  • +1 Weightlifting Fairy Kim Bok Joo
  • +1 Healer
  • Thirty But Seventeen
  • Just Between Lovers
  • Love in the Moonlight
  • Splash Splash LOVE

Oh My Venus

I'm Not a Robot

Falling for Innocence

Jugglers

Lucky Romance

Shopping King Louie

Fight for My Way

Live Up to Your Name

W:Two Worlds

Weighlifting Fairy Kim Bok Joo

Moonlight Drawn by Clouds

Heartstrings

Another Miss Oh

Strong Woman Do Bong Soon 

Fight My Way

Hwarang

Strongest Deliveryman

While You Were Sleeping

Radio Romance

Fight for my way

Radio romance

Heartstrings

Weightlifting fairy Kim Bok Joo

Falling for innocence

Cunning single lady

High end crush

Go back couple

Welcome to waikiki

Doctors

Hi , in my list 99% are romantic with happy anding https://mydramalist.com/dramalist/claus71

My Only Love Song

Queen In-Hyun's Man

Girl's Generation 1979

City Hall

Coffee Prince

I've just remembered another one - Miss Korea. Not only a happy ending for the OTP, but a GREAT  arc for the STP.

I might repeat what has all ready been said but Ill just give you my top 5 of dramas with really good/longer happy endings!

Whats wrong with secretary kim

Weightlifting fairy kim bok joo

Strong woman do bong soon

1%of anything

The descendant of the sun (I dont want to spoil, ill just say that after watching it id say it fits the bill)

Best Dramas With Happy Endings-

She Was Pretty

Strong Woman Do Bong Soon

Playful Kiss

Mischieveous Kiss(Japan)

Legend Of The Blue Sea

My Love From The Star

Tempted

Heirs

While You Were Sleeping

W-Two Worlds Apart

Pinnochio

Hi School Love On

Boys Over Flowers

He Is Psychometric(My most fav romantic-thriller)